Gizem G. has bought the new Nimbus2020 for 80,000 Knuts and because the broomstick flies only with the wizard who bought it in the first place, the market value of this Nimbus2020 is always 0 from tha point on. Moreover, there is an annual cost of maintenance for the broomstick which Gizem has calculated to be as Cost(m) = 10,000 + 6,000 * (m-1), where m is the year. What is the AEC of this broomstick in its economic life year if the interest rate in the wizarding world is 0%? Write only the integer part of your answer with no currency sign or thousand seperators.